From 32806b832015ae8d4279852634830c0c997c0f50 Mon Sep 17 00:00:00 2001
From: Hans <weartistt@gmail.com>
Date: Fri, 12 Apr 2024 08:19:49 +0800
Subject: [PATCH] =?UTF-8?q?vim:=20Don=E2=80=99t=20allow=20edits=20in=20the?=
 =?UTF-8?q?=20read-only=20state=20(#10404)?=
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Fix #8423

Release Notes:

- vim: Fixed vim-surround motions editing read-only buffer
(preview-only)
---
 crates/multi_buffer/src/multi_buffer.rs | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/crates/multi_buffer/src/multi_buffer.rs b/crates/multi_buffer/src/multi_buffer.rs
index 9ceef63c182c2f5cbc70672024cc48ae1e49fcc6..365f8d1e1b7a988f7d573295cb9fcf49c753e619 100644
--- a/crates/multi_buffer/src/multi_buffer.rs
+++ b/crates/multi_buffer/src/multi_buffer.rs
@@ -418,6 +418,9 @@ impl MultiBuffer {
         S: ToOffset,
         T: Into<Arc<str>>,
     {
+        if self.read_only() {
+            return;
+        }
         if self.buffers.borrow().is_empty() {
             return;
         }